fix(security): validate resolved data path to prevent path traversal
This commit is contained in:
@@ -14,7 +14,15 @@ function getDataPath(filename) {
|
||||
|
||||
const cwd = process.cwd()
|
||||
const dataDir = cwd.endsWith('.output') ? path.join(cwd, '../server/data') : path.join(cwd, 'server/data')
|
||||
return path.join(dataDir, safeName)
|
||||
|
||||
// build candidate path and verify it's inside the expected data directory
|
||||
const candidate = path.join(dataDir, safeName)
|
||||
const resolved = path.resolve(candidate)
|
||||
const resolvedDataDir = path.resolve(dataDir)
|
||||
if (!resolved.startsWith(resolvedDataDir + path.sep) && resolved !== resolvedDataDir) {
|
||||
throw new Error('Invalid data filename (outside data directory)')
|
||||
}
|
||||
return resolved
|
||||
}
|
||||
|
||||
const LOG_FILE = getDataPath('password-reset.log.jsonl')
|
||||
|
||||
Reference in New Issue
Block a user